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math.FA2023
Rotated time-frequency lattices are sets of stable sampling for continuous wavelet systems
Nicki Holighaus, Günther Koliander
We provide an example for the generating matrix of a two-dimensional lattice , such that the following holds: For any sufficiently smooth and localized mother…
eess.AS2023★ 4 cited
Grid-Based Decimation for Wavelet Transforms with Stably Invertible Implementation
Nicki Holighaus, Günther Koliander, Clara Hollomey +1
The constant center frequency to bandwidth ratio (Q-factor) of wavelet transforms provides a very natural representation for audio data. However, invertible wavelet transforms have…